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Acokanthera- Acokanthera spp. (all parts toxic, except ripe fruit) |
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Amaryllis- Amaryllis spp. |
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Angel's Trumpet- Datura spp. (leaves, seeds, flowers) |
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Apricot- Prunus armeniaca (pits, leaves, bark) |
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Apple- Malus spp. (seeds, leaves, bark) |
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Avocado- Persea americaca (pit, leaves, unripe fruit, stems) |
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Azalea- Rhododendron canadensis |
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Balsam Pear, Bitter Melon- Momordica charanita |
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Baneberry- Actaea rubra, A. pachypoda |
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Belladonna- Atropa belladonna |
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Bird of Paradise- Poinciana and related spp. (seed pods, flowers) |
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Bittersweet- Celastrus spp. |
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Black Locust- Robinia pseudoacacia |
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Boxwood- Buxus spp. |
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Bracken Fern- Pteridium aquilinium |
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Buckthorn- Karwinskia humboldtiana and related spp. |
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Burdock- Arctium spp. |
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Buttercup- Ranunculus spp. |
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Caladium- Caladium spp. |
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Calla Lily- Zantedeschia aethiopica |
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Catclaw Acacia- Acacia greggii (twigs, leaves) |
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Caster Bean- Ricinus communis |
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Cherry- Prunus spp. (pits, leaves, bark) |
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Chinaberry- Melia azadarach |
| • |
Clematis- Clematis montana and related spp. |
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Coral Plant- Jatropha mutifida |
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Crocus (autumn)- Cholchicum autumnale |
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Cyad or Sago Cyas- Cyas revoluta |
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Daffodil- Narcissus tazetta |
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Daphne- Daphne mezerum |
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Death Camas- Zigadenus veneosus and other related species |
| • |
Delphinium- Delphinium spp. |
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Devil's Ivy- Epipremnum aureum |
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Dieffenbachia (dumb cane |
| • |
Dieffenbachia spp. |
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Eggplant- Solanum melongena (unripe/overipe fruit, leaves) |
| • |
Elderberry- Sambucus mexicana (roots,leaves, stem, bark) |
| • |
Elephant's Ears or Taro- Colocasia spp. |
| • |
Euonymus- Euonymus spp (filit, bark, leaves) |
| • |
European Pennyroyal- Mentha pulegium |
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Figs- Ficus spp. (sap) |
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Four o'clock- Miribilis jalapa |
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Foxglove- Digitalis purpurea |
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Heliotrope- Heliotropium spp. (leaves) |
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Henbane- Hyoscyamus niger |
| • |
Holly- Hex aquifolium and related spp. (leaves, berries) |
| • |
Horse Chestnut- Aesculus hippocastanum and related spp. |
| • |
Horse Nettle- Solanum carolinense |
| • |
Hyacinth- Hyacinthus orietalis |
| • |
Hydrangea- Hydrangea spp. |
| • |
Iris- Iris spp. |
| • |
Ivy (Boston, English and some others)- Hedera spp. |
| • |
Jack-in-the-Pulpit- Arisaema spp. |
| • |
Jerusalem Cherry- Solanum pseudocapsicum and related spp. |
| • |
Jessamine, Yellow- Gelsemium sempervirens (leaves, sterns) |
| • |
Jimsonweed- Datura spp. (leaves, seeds, flowers) |
| • |
Jonquil- Narcissus jonquilla |
| • |
Juniper- Juniperus spp. |
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Lantana- Lantana camara |
| • |
Larkspur- Delphinium spp. |
| • |
Laurel- Kalmia spp. |
| • |
Lily-of-the-Valley- Convalleria majalis |
| • |
Lobelia- Lobelia spp. |
| • |
Locoweed- Astragalus spp. and Oxytrophis spp. |
| • |
Lupine- Lupinus spp. |
| • |
Marijuana- Cannabis sativa |
| • |
Milkweed- Asclepias spp. |
| • |
Mistletoe- Phoradendron villosum |
| • |
Mock Orange- Philadelphus spp. |
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Moonseed- Menispermum canadense |
| • |
Monkshood- Aconitum spp. |
| • |
Morning Glory- Ipomoea violacea (seeds) |
| • |
Mushrooms- Amanita spp. and many others |
| • |
Narcissus- Narcissus spp. |
| • |
Oak- Quercus spp. |
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Oleander- Nerium oleander |
| • |
Peach- Prunus persica (leaves, pit, bark) |
| • |
Pear- Pyrus spp (leaves, seeds, bark) |
| • |
Peony- Paeonia officinalis |
| • |
Periwinkle- Vinca minor, Vinca rosea |
| • |
Peyote- Lophophora williamsii |
| • |
Philodendron- Philodendron spp. |
| • |
Monstera spp |
| • |
Pigweed- Amaranthus spp. |
| • |
Plum- Prunus spp. (leaves, pit, bark) |
| • |
Poison Hemlock- Conium maculatum |
| • |
Poison Ivy- Toxicodendron radicans, includes T. rydbergii |
| • |
Poison Oak- Toxicodendron quercifolium and T. diversilobum |
| • |
Poison Sumac- Rhux vernix |
| • |
Poinsetta- Euphorbia pulcherrima |
| • |
Poppy- Papaver somniferum and related spp. |
| • |
Pokeweed- Phytolacca americana |
| • |
Potato- Solanum tuberosum (sprouts, leaves, berries, green tubers) |
| • |
Pothos- Eprimemnun aureum |
| • |
Primrose- Primula spp. |
| • |
Privet- Ligustrum vulgare |
| • |
Ragwort- Senecio jacobea and related spp. |
| • |
Red Maple- Acer rubrum |
| • |
Rhododendron- Rhododendron spp. |
| • |
Rhubarb- Rheum rhabarbarum (leaves) |
| • |
Rosary Pea- Abrus precatorius |
| • |
Sage- Salvia officinalis |
| • |
Shamrock Plant- Medicago lupulina |
| • |
Trifolium repens- Oxalis acetosella |
| • |
Skunk Cabbage- Symplocarpus foetidus |
| • |
Snowdrop- Galanthus nivalis |
| • |
Sorrel- Rumex spp. |
| • |
Spurges- Euphorbia spp. |
| • |
Star of Bethlehem- Ornithogalum umbellatum |
| • |
Sweet Pea- Lathyrus odoratus |
| • |
Tobacco- Nicotiania spp. |
| • |
Tomato- Lycopersicon esculentum (stems, leaves) |
| • |
Tulip- Tulipa spp. |
| • |
Virginia Creeper- Panthenocissus quinquefolia |
| • |
Vetches- Vicia spp. |
| • |
Water Hemlock- Cicuta spp. |
| • |
Waxberry- Symphoricarpos albus |
| • |
Wisteria- Wisteria spp. |
| • |
Yew- Taxus spp. |